Impbovement in vacuum



T. SIMMONS. VACUUM FILTER.

No. 62,505, Patentgd Feb. 26. 1867 rm: NORRIS PETERS ca., WASHINGTON; njc.

h Quint! fttitfi gaunt IMPROVEMENT IN vscuuu FILTERS.

Eb Stimuli rrtrm't n in fins ffrtirrsjfintmt out making part of tlgc smut.

TO ALL WHOM- IT MAY CONCERN; I

Be it kn'owh that. I, TIIIIOKAS SIMMONS, of Chicago, in the county of Cook, and State of Illinois, have invented a new sndusei'ul lmprovemehtin. Vacuum F ilters; and I do herebydeclore and malts. known that the following isa full, clear, nndexact description oi the same, reference being bad to the accompanying drawings, and the letters and figures marked thereon, which form part of this specification.

My said invention'relates more partieularlytofilters for the use ofchemists, but it may be used with equal facility and'efl'ect for all other appropriate spurposes.

To enable those skilled in the art to understand how to construct and use my invention, I will proceed to describe the same with particularity, mahing reterence in so doing to the aforesaid drawings, in which Fi-gure l repr'esents a side elevation of 'my invention. Figure'2, a central-vertical section of the same; and Figure 8, a plan or top view of the filtering vessel. Similar letters of reference in the several figures denote like parts of .my invention. A represents the filtering vessel, which rests upon a support, J, which is attached upon a standard, by means of a set-screw, 8, so as to be adjusted upon-said standard at difi'erent heights, as may be desired; Across the top of the vessel A is arranged a bar, M, hinged at m, upon one side thereof, and secured to-the other side at n by a removable pin, as shown. Through this. srm works a verticelserew, Nfwhose lower endrests upon" a block, 0, which in turn rests upon a; press, P, which isprovided with suitable openings pthrough which any liquids may pass. By means ofthis arrangement the filtering material may be compressed to any desired degree of compactness. B represents a close vessel, connected with thefiltering vessel by a tube or pipe marked 0, which is. provided with a stopscoclr, to"shut ofi' communication between said vessels A B, when desired. and also with an outlet pipe, I, which is provided with a stop-cock, b, 1 At the bottom said vessel Bis provided with an outlet pipe, D, having a stop-cool: thereon, marked '0, and a nipple, 41, upon which the flexible tube e, upon 'the vessel E, may be arranged so as to. form a tight joint, as shown. L represents a lamp, which is used for generating steam in the-vessel E, as and for the purposes hereinafter set forth. I

The operation oi. my inventionis as follows: Thefilter is arranged in the vessel Aand compressed .to the requisite degree of, compactness by means of the press P, the cook a turned sons to shut ofi communication with the vessel B, and the outlet I opened, 'as also. is the tube D between the 'vessels B and E. The lamp L,

beneath the vessel E. w hieh is to contain a suitable quantity of water, is lighted, and the steam which is generated in the vessel E passes up into the vessel B, and 'expels the air therefrom through the pipe I. When the air has all been expelled from said vessel and the chamber is filled with steam, the stop-cocks b and c are closed and .the stop-cock (I opened, and the lamp may be removed, and the flexible tube e detached from the tube D.- The .liquid to be filtered, (having been previously placed inlthe vessel A,) when the steam condenses in the chamber B and forms a vacuum therein, is then forced down through the filter into the said vessel B by theatmospheric pressure, and the operation is thus accomplished with .grent i'apidity, and obviates theliability of the liquids to evaporate, as is the case in the long filtering processes in ordinary use among-chemists.

Hnving described my invcntion, I will now proceed to specify what I clnim, and desire to secure by Letters Patent:

1.- I claim thecomhinution and arrangement of the filtering vessel A,.rcceiver B,-'nn'd removable generator E, when connected by tubes C D, provided with stop-cocks ate, and operating substantially as herein specified and for the purposes set forth. v

2. I claim the combination of the press P, vessel 4, receiver B, generator E, tubes CD, provided with stop-cocksns shown, arrangedand operating. and for the purposes shown and set forth, 7

THOMAS SIMMONS.

Witnesses:

WILLIAM HsYwoon, W. E. Muss. 

